Weight - 340g Packed dimensions - 20cm H, 10cm W, 30cm C in supplied stuff sack You would be able to get it smaller using a compression sack (available separately) The Poncho is made using Paratex Dry fabric, Paratex Dry is a 100% waterproof fabric (hydrophilic polyurethane coating) with a hydrostatic head in excess of 5000mm (items with a hydro static head in excess of 1500mm are generally considered waterproof) How it works: Closely constructed fabric with a ripstop construction. Teamed with a Hydrophillic Polyurathane (PU) which transfers water vapour chemically from the inside to the outside (due to the temperature differential between the inside of the product and out) Features: - 100% Waterproof with a Hydro Static Head in Excess of 5000mm (Items with a Hydrostatic Head over 1500mm are generally considered waterproof) - Only ever used in fully taped seamed systems. - Ripstop Weave - Lightweight - Tough - Breathable (will transmit upto 7.5 litres of moisture per m2 per 24 hours) - Soft to the touch - Completely Windproof (trapping and stopping the movement of warm air in the sleeping bag or Garment) - Outer Fabric treated with a Durable Water Repellant. (water repellancy can be maintained by a cool tumble dry after washing and periodic retreatment with suitable after care products such as Nikwax or Grangers)